It’s the first sign of unified opposition for a rudderless and leaderless Democratic Party.

President Trump’s relatives return to Washington with more political and cultural support — and a far better understanding of how to wield their soft power.

The project is one of several that family members of President-elect Donald J. Trump have with foreign countries that have pending policy matters with the United States.

The theory seemed sound: Stabilize financial markets, support the poor and promote a more secure, integrated world. But blue-collar workers were left behind.